A00 File - opening and understanding

Did your computer fail to open an A00 file? We explain what they are used for and recommend software that we know can open or otherwise handle your .A00 files.

What is an A00 file?

Files that contain the .a00 file extension are commonly used by the ARJ and ALZip file compression utilities. These software applications take batches of files and compress the files into a single archive file.

Once these applications have created an archive file, that file can then be split into smaller volumes. This makes it easier for a user to transmit the files online or to store the archive file across multiple storage disks.

When an archive file is split, each volume of the archive is given its own file extension, usually in sequence. The .a00 file extension is normally given to the first volume of the split archive file.

If a user wishes to retrieve the contents of the split archive, all of the volumes of the archive file must be present.

How to open A00 files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension A00 for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 8 different A00 openers which you will find listed below.

Suggest another file format using extension A00

While we know of one file format using the .A00 file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .A00 file.

Various viewers for this file format

These apps are known to open certain types of A00 files. Remember, different programs may use A00 files for different purposes, so you may need to try out a few of them to be able to open your specific file.

FinalTorrentFinalTorrentUser submitted
KMPlayerKMPlayerUser submitted
MelOn PlayerMelOn PlayerUser submitted
Symphonie Data RetrieverSymphonie Data RetrieverUser submitted
IZArcIZArcUser submitted
ZipZag ArchiverZipZag ArchiverUser submitted
We have not verified any software that we know for certain will work with A00-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with A00-files. If you know one, please use the 'Suggest a program' link below and tell us about it!